The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 06, 2022
Filed:
Apr. 26, 2019
Applicant:
Dai Nippon Printing Co., Ltd., Tokyo-to, JP;
Inventors:
Masato Okada, Tokyo-to, JP;
Hiroko Amano, Tokyo-to, JP;
Tomoki Murata, Tokyo-to, JP;
Fumiyasu Murakami, Tokyo-to, JP;
Assignee:
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 47/00 (2006.01); C09B 57/00 (2006.01); C09B 67/20 (2006.01); G02B 5/22 (2006.01);
U.S. Cl.
CPC ...
C09B 67/0066 (2013.01); C09B 47/00 (2013.01); C09B 57/007 (2013.01); G02B 5/223 (2013.01);
Abstract
A color material dispersion liquid including a color material, which is a salt-forming compound of an organic dye with a heteropolyoxometalate, a dispersant and a solvent, wherein the organic dye is at least one organic dye selected from the group consisting of a porphyrin dye, a tetraazaporphyrin dye, a phthalocyanine dye and a squarylium dye, and wherein the heteropolyoxometalate is a heteropolyoxometalate which has an oxidation-reduction potential larger than −0.3 V relative to the silver/silver chloride electrode.